NAVLE（北美执业兽医考题）Day 427

Q1:A 7-year old female spayed Border Collie is presented with two very goopy, gunk-covered eyes. A Schirmer tear test reveals less than 10 mm/minute of wetting [N= 15mm or more/ minute]. The owner reports that the dog has been on some kind of medicine for the last 10 days, but it is not his dog, and he doesnt know what the medicine is. Keratoconjunctivitis sicca (KCS) secondary to the drug is suspected. Which one of the following drugs may be causing the KCS?一只7岁的雌性边境牧羊犬的双眼出现非常黏稠，脓液样的分泌物。STT试验显示润湿小于10mm/分钟[ 正常为15mm或更高]。主诉狗最近10天一直在吃某种药，但是它不是他的狗，他不知道药是什么。怀疑该犬患有药物引起的干燥性角膜结膜炎（KCS）。下列哪一种药物可能引起KCS？Find out the answer by clicking on one of the listed choices. Good luck!点击列出的选项找出答案，祝大家好运